<div class="editor-form">
    <table style="margin: 20px;">
        <tr>
            <td>
                <canvas id="color-platter" width="300px" height="300px"></canvas>
            </td>
            <td>
                <canvas id="color-bar" width="40px" height="300px"></canvas>
            </td>
        </tr>
        <tr>
            <td colspan="2">
                <div style="width: 80px;height:20px;border: 1px solid #adadad;display: inline-block;vertical-align: bottom;" id="color-show"></div>
                <span>当前选中颜色</span>
            </td>
        </tr>
    </table>
</div>